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lightnvm: do not protect block 0 

Device blocks should be marked by the device and considered as bad
blocks by the media manager. Thus, do not make assumptions on which
blocks are going to be used by the device. In doing so we might lose
valid blocks from the free list.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
hifive-unleashed-5.1
Javier González 2016-11-28 22:38:55 +01:00 committed by Jens Axboe
parent bb3149792e
commit 8a3c95ab38
1 changed files with 0 additions and 6 deletions
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6
drivers/lightnvm/gennvm.c
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@ -371,12 +371,6 @@ static int gen_blocks_init(struct nvm_dev *dev, struct gen_dev *gn)
block->lun = &lun->vlun;
block->id = cur_block_id++;
/* First block is reserved for device */
if (unlikely(lun_iter == 0 && blk_iter == 0)) {
lun->vlun.nr_free_blocks--;
continue;
}
list_add_tail(&block->list, &lun->free_list);
}